Will Treasury’s new rules stop the wave of corporate tax inversions? No they won’t. Treasury Secretary Jack Lew acknowledged as much when the agency proposed the curbs yesterday. Will they slow the practice? Perhaps, but even that is not certain. In a perverse way, Treasury’s most effective weapon

The Treasury Department put out the word that Secretary Jack Lew is considering regulatory curbs on corporate tax inversions, a step that may be intended to increase pressure on Congress to act once it returns from its summer recess in September. The matter of how much authority Treasury has to